ElectronPowerMonitor.once method

ElectronPowerMonitor › once

Unofficial

Adds a one-time listener for the lock-screen event.

Signature:

once(event: "lock-screen", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"lock-screen"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: darwin,win32.

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Unofficial

Adds a one-time listener for the on-ac event.

Signature:

once(event: "on-ac", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"on-ac"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: darwin,win32.

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Unofficial

Adds a one-time listener for the on-battery event.

Signature:

once(event: "on-battery", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"on-battery"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: darwin.

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Unofficial

Adds a one-time listener for the resume event.

Signature:

once(event: "resume", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"resume"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance.

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Unofficial

Adds a one-time listener for the shutdown event.

Signature:

once(event: "shutdown", listener: (event: ElectronEvent) => void): this

Parameters:

Parameter	Type	Description
event	"shutdown"	The event name.
listener	(event: ElectronEvent) => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: linux,darwin.

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Unofficial

Adds a one-time listener for the suspend event.

Signature:

once(event: "suspend", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"suspend"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance.

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Unofficial

Adds a one-time listener for the unlock-screen event.

Signature:

once(event: "unlock-screen", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"unlock-screen"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: darwin,win32.

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Unofficial

Adds a one-time listener for the user-did-become-active event.

Signature:

once(event: "user-did-become-active", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"user-did-become-active"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: darwin.

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Unofficial

Adds a one-time listener for the user-did-resign-active event.

Signature:

once(event: "user-did-resign-active", listener: () => void): this

Parameters:

Parameter	Type	Description
event	"user-did-resign-active"	The event name.
listener	() => void	Callback invoked the next time the event is emitted.

Returns: this — This PowerMonitor instance. Platform: darwin.

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